Llan prefix in Welsh names BrE AmE læn θlæn, ɬæn —In Welsh this is ɬan , usually anglicized as læn or, when unstressed, lən . The Welsh sound (a voiceless alveolar lateral fricative) is however sometimes imitated by the non-Welsh as the cluster θl , or even as xl . No American English forms are given for the Welsh names that follow.
LLAN
Meaning of LLAN in English
Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012